14A
Energy is defined as the ability to do this
What is work
Mechanical energy is the sum of what two types of energy
What are kinetic and potential energy
An energy resource that is easily replaced by natural methods
What is a renewable energy source
Formed from the remnants of compressed plants and animal matter
What are fossil fuels
Most systems lose energy to their environments
True
We should conserve energy and continue to develop new sources to ensure human flourishing is a part of what chapter 1 idea
What is the creation mandate
The kinetic energy of an object depends on what two aspects of the object?
What are mass and speed
Wood is an example of this energy source
What is Biomass energy
Originates from hot water or rock beneath the earth's surface
What is geothermal energy
Wind and solar farms take up less space
What is false
Food of any sort would be described as having this type of energy
What is chemical potential energy
A thrown football reaches maximum potential energy when?
When it is highest in the air
Name the 3 main forms of fossil fuels
What are gas, coal and oil
Uses the gravitational potential energy of water
What is hydroelectric energy
Fuel used in nuclear power plants remains radioactive, even when it is no longer useful for producing energy
What is true
Name the three things energy can be exchanged for
What are work, matter, and other forms of energy
The total energy within a closed system remains constant over time is know as this law
What is the law of conservation of energy
The Flood model discusses large amounts of animals all being buried 100's, 1000's, 10,000's, or millions of years ago to create the deposits we see nowadays
What is 1000's
Uses uranium as a fuel source
What is nuclear energy
Energy cannot be created, destroyed, or transformed
What is false
Why does a playground swing eventually come to a stop if no additional energy is being added?
Energy from system is continuously being lost to environment through various forms(friction, heat, sound)
How does a toaster transform energy from one form to another
Electrical energy into heat/light energy
Name 1 benefit and 1 disadvantage of using hydroelectric energy for needs.
Pro: Clean energy, inexpensive, provide recreation benefits
Dis: Take up large amount of space, reservoirs eventually fill with silt
Uses the kinetic energy of the sea as it rises and falls
What is tidal energy
Renewable energy sources are great because we don't need to fear running out of them, and they are reliable sources of energy
False
Not a reliable energy